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Table 1 Distribution of carbapenemase-producing Enterobacterales isolates and their carbapenemase genes

From: Clonal spread of carbapenemase-producing Enterobacteriaceae in a region, China

Species Carbapenemase genes No. of clinical isolates in our hospital No. of isolates from rectal and stool in our hospital No. of clinical isolates in other hospitals
Klebsiella pneumoniae (n = 785) blaKPC-2 517 90 122
blaNDM-1 11   24
blaNDM-5 6 2 2
blaIMP-4 2   2
blaKPC-2 and blaNDM-1 or 5 6   1
Escherichia coli (n = 96) blaKPC-2 30 6  
blaNDM-1 9 1 2
blaNDM-5 23 1 20
blaNDM-7 1   
blaNDM-9 2   1
Klebsiella oxytoca (n = 12) blaKPC-2 3 1  
blaNDM-5 4 1  
blaIMP-4    3
Enterobacter cloacae (n = 9) blaNDM-1 7   2
Citrobacter freundii (n = 9) blaKPC-2 4   
blaNDM-1 4   1
Serratia marcescens (n = 5) blaKPC-2 4   
blaNDM-1 1   
Other species (n = 6) blaKPC-2 2 1  
blaNDM-1    2
blaNDM-5 and blaKPC-2 1